# Solutions

Get detailed explanations to advanced GMAT questions.

### Question

A certain group of car dealerships agreed to donate x dollars to a Red Cross Chapter for each car sold during a 30-day period. What was the total amount that was expected to be donated?

I. A total of 500 cars were expected to be sold

II. Sixty more cars were sold than expected so that the total amount actually donated was $28,000

Option A:

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.

Option B:

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

Option C:

BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.

Option D:

EACH statement ALONE is sufficient to answer the question asked.

Option E:

Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.

### Difficulty Level

Hard### Solution

Option C is the correct answer.

### Option Analysis

We need two things:

1. X

2. Total number of cars.

Statement I is insufficient: Total of 500 cars sold. Fine! But, we don’t know x, so donation amount cannot be computed. (Not Sufficient)

Statement II is insufficient: Let N be total number of cars: (N + 60)X = 28000

Again we don’t have N and X – Not Sufficient

Combine I and II,

560 * X = 28000

X = 2800 / 56 = 50

Total Contribution = 25000.

### Related Questions

- A grocery store purchased crates of 40 oranges each for $5.00 per crate and then sold each orange for $0.20. What was the store’s gross profit on each crate of oranges?

- What is the value of expression x(x-2)^3 when x = -1?

- The outside of the rectangular box represented in the figure above is to be decorated by attaching pieces of…

- If x^2 = y^2, is true that x>0?

- a is a nonzero integer. Is a^a greater than 1?